buildStar method

Widget buildStar(BuildContext context, int index)

Implementation

Widget buildStar(BuildContext context, int index) {
  Widget icon;
  if(customRatingWidget != null){
    if (index >= rating) {
      icon = Container(padding: const EdgeInsets.only(right: 4.0),child: customRatingWidget!.empty);
    } else if (index > rating - (allowHalfRating ? 0.5 : 1.0) && index < rating) {
      icon = Container(padding: const EdgeInsets.only(right: 4.0),child: customRatingWidget!.half);
    } else {
      icon = Container(padding: const EdgeInsets.only(right: 4.0),child: customRatingWidget!.full);
    }
  }else{
    if (index >= rating) {
      icon = Icon(
        defaultIconData ?? Icons.star_border,
        color: borderColor ?? Theme.of(context).primaryColor,
        size: size,
      );
    } else if (index > rating - (allowHalfRating ? 0.5 : 1.0) && index < rating) {
      icon = Icon(
        halfFilledIconData ?? Icons.star_half,
        color: color ?? Theme.of(context).primaryColor,
        size: size,
      );
    } else {
      icon = Icon(
        filledIconData ?? Icons.star,
        color: color ?? Theme.of(context).primaryColor,
        size: size,
      );
    }
  }

  return GestureDetector(
    onTap: () {
      if (onRatingChanged != null) onRatingChanged!(index + 1.0);
    },
    onHorizontalDragUpdate: (dragDetails) {
      RenderBox box = context.findRenderObject() as RenderBox;
      var pos = box.globalToLocal(dragDetails.globalPosition);
      var i = pos.dx / size;
      var newRating = allowHalfRating ? i : i.round().toDouble();
      if (newRating > starCount) {
        newRating = starCount.toDouble();
      }
      if (newRating < 0) {
        newRating = 0.0;
      }
      if (onRatingChanged != null) onRatingChanged!(newRating);
    },
    child: icon,
  );
}